12053616 has 20 divisors (see below), whose sum is σ = 31138632. Its totient is φ = 4017856.

The previous prime is 12053611. The next prime is 12053617. The reversal of 12053616 is 61635021.

It is a super-3 number, since 3×12053616³ (a number of 22 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12053611) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 125511 + ... + 125606.

Almost surely, 2^12053616 is an apocalyptic number.

12053616 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12053616 is an abundant number, since it is smaller than the sum of its proper divisors (19085016).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12053616 is a wasteful number, since it uses less digits than its factorization.

12053616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251128 (or 251122 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 12053616 is about 3471.8317931605. The cubic root of 12053616 is about 229.2833141619.

Adding to 12053616 its reverse (61635021), we get a palindrome (73688637).

The spelling of 12053616 in words is "twelve million, fifty-three thousand, six hundred sixteen".